You can use your telephone and watch cable TV at the same time you
are connected to the Internet.
3G (WWAN or 'Wireless Wide-Area Network')
A 3G connection allows you to use cellular networks (such as those
used by a mobile phone) to connect to the Internet while away from
home. The socket for a SIM card may be built in to your computer, or
may require an external device, such as a USB modem or even an
appropriately equipped mobile phone.
Note: If your computer includes a SIM card slot, you require a
compatible SIM card and a contract with a cellular provider.
Before using the 3G features, check with your service provider to
see if any additional charges will be incurred, especially roaming
charges.
Network connections
A LAN (Local Area Network) is a group of computers (for example,
within an office building or home) that share a common
communications line and resources. When you set up a network, you
can share files, peripheral devices (such as a printer) and an Internet
connection. You can set up a LAN using wired technologies (such as
Ethernet) or wireless technologies (such as WiFi or Bluetooth).
Wireless networks
A wireless LAN or WLAN is a wireless local area network, which may
link two or more computers without using wires. Setting up a wireless
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